},//6. mouseover 和 mouseout 事件才包含的获取相关元素的方法getRelatedTarget:function(event) {if(event.relatedTarget) {returnevent.relatedTarget }elseif(event.toElement) {returnevent.toElement }elseif(event.fromElement) {returnevent.fromElement }else{returnnull} },//7. 鼠标滚动判断/** * 对于m...
AI代码解释 1'use strict';23varlogging=document.getElementById('test-promise2-log');4while(logging.children.length>1){5logging.removeChild(logging.children[logging.children.length-1]);6}78functionlog(s){9varp=document.createElement('p');10p.innerHTML=s;11logging.appendChild(p);12}13// 0.5...
*/gettarget() {const{ target } =this.optsif(!!!target)returnnullconst_target =this.formatToIframe(target)if(!!!(_targetinstanceofHTMLIFrameElement|| _targetinstanceofWorker))thrownewError("target必须是IFrame、Worker或标签选择器")return_target } } Client类 Client可以理解是Server的青春版,里面只...
AI代码解释 letcloneEl=nullletoriginalEl=nulldocument.getElementById('list').addEventListener('click',function(e){e.preventDefault()if(e.target.classList.contains('item')){originalEl=e.target// 缓存原始图DOM节点cloneEl=originalEl.cloneNode(true)// 克隆图片originalEl.style.opacity=0openPreview()/...
其中,pairs是指一对正在碰撞的物体。当两个物体相互碰撞时,它们就被组成为一个pair对象。 我们可以通过event.pairs属性来访问有关碰撞的更多信息。 代码仓库 点击下面的链接可以获取到本文所有完整demo,仓库的代码还会不定期更新～ ⭐Matter.js 案例仓库
给个具体的例子，你调用这个就是浏览器端API：constbutton=document.getElementById("button")前端一定要...
from '@/utils/EventEmitter'import { isAppendAction } from '@/utils/BpmnDesignerUtils'export default function (modeler: Modeler) {const config = editor().getEditorConfigif (!config.contextmenu) returnmodeler.on('element.contextmenu', 2000, (event) => {const { element, originalEvent } = event...
document.getElementById("content").children.length); // 1 Again we emphasize to only use this when feeding jsdom code you know is safe. If you use it on arbitrary user-supplied code, or code from the Internet, you are effectively running untrusted Node.js code, and your machine could ...
(event){if(event.stopPropagation){event.stopPropagation();}else{event.cancelBubble=true;}},getRelatedTarget:function(event){if(event.relatedTarget){returnevent.relatedTarget;}elseif(event.toElement){returnevent.toElement;}elseif(event.fromElement){returnevent.fromElement;}else{returnnull;}},getWheel...
If set to true, it enables the poster viewer experience by hiding the video element and displaying the poster image persistently. This option can be set to true or false by calling audioPosterMode([true|false]) at runtime. autoSetup Type: boolean Prevents the player from running the autoSet...